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chem 2b lab 1
Course: CHE 2b, Winter 2006School: UC Davis
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Word Count: 3448
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Data Post-Lab Summary Note : some questions will display a variable like "nCount" or "SyInput" instead of an actual number in the data summary. Q# Question Text 5) Scoring Scheme: 3-2-1-1 Part I. In step 8 of Part I, why do you not want any of the water on the outside of the test tube to drip off into the calorimeter? Your Answer: c. Both a and b. You Scored 2 points out of 3...
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Data Post-Lab Summary Note : some questions will display a variable like "nCount" or "SyInput" instead of an actual number in the data summary. Q# Question Text 5) Scoring Scheme: 3-2-1-1 Part I. In step 8 of Part I, why do you not want any of the water on the outside of the test tube to drip off into the calorimeter? Your Answer: c. Both a and b. You Scored 2 points out of 3 Possible 6) Data Entry - No Scoring Part I. For each trial, enter the precise mass in GRAMS of the "hot" water in the test tube. Your mass precision should be reported to a thousandth of a gram, i.e. 30.034 g. (Use 5 significant figures.) Your Answer: 26.36 No Points Possible Your Answer: 30 No Points Possible Your Answer: 30 No Points Possible 7) Data Entry - No Scoring Part I. For each trial, enter the initial temperature of the "hot" water in the test tube, Tihot water. Your temperature precision should be reported to two-tenths of a degree Celsius, i.e. 99.6oC. Your Answer: 100.3 No Points Possible Your Answer: 100.2 No Points Possible Your Answer: 97 No Points Possible 8) Data Entry - No Scoring Part I. For each trial, enter the final temperature of the mixture in the calorimeter, Tf. This should be the highest temperature reached after mixing. Your temperature precision should be reported to two-tenths of a degree Celsius, i.e. 34.0oC. Your Answer: 40.1 No Points Possible Your Answer: 43 No Points Possible Your Answer: 42 No Points Possible 9) Scoring Scheme: 3-3-2-1 Part I. For each trial, enter the amount of heat lost by the hot water, qhot water. Hints: The specific heat of water is 4.184 J/goC. Be careful with your algebraic sign and remember that the change in temperature is equal to the final temperature minus the initial temperature. Report your answer using 4 digits. Your Answer: -6640 You Scored 3 points out of 3 Possible Your Answer: -7180 No Points Possible Your Answer: -6904 No Points Possible 10) Data Entry - No Scoring
Part I. For each trial, enter the precise mass in GRAMS of the "cool" water in the calorimeter. Your mass precision should be reported to a thousandth of a gram, i.e. 70.546 g. (Use 5 significant figures.) Your Answer: 70.1 No Points Possible Your Answer: 70.1 No Points Possible Your Answer: 70.05 No Points Possible 11) Data Entry - No Scoring Part I. For each trial, enter the initial temperature of the "cool" water in the calorimeter, Ticalorimeter. Your temperature precision should be reported to two-tenths of a degree Celsius, i.e. 17.2oC. Your Answer: 23 No Points Possible Your Answer: 23 No Points Possible Your Answer: 23 No Points Possible 12) Scoring Scheme: 3-3-2-1 Part I. For each trial, enter the amount of heat gained by the cool water, qcool water. The specific heat of water is 4.184 J/goC. Report your answer to 4 digits. Note: You should always carry 1 or 2 extra digits beyond the number of significant figures until your final calculation. Your Answer: 5015 You Scored 3 points out of 3 Possible Your Answer: 5866 No Points Possible Your Answer: 5569 No Points Possible 13) Scoring Scheme: 3-3-2-1 Part I. For each trial, calculate the heat gained by the calorimeter, qcalorimeter. This can be done by using the equation: qhotwater = -(qcoolwater + qcalorimeter). Hint: Think about whether qcalorimeter is a positive or negative quantity. Be careful with your negative values here. Remember that (- qhot water) has the opposite algebraic sign value of (qhot water). Report your answer using 4 digits. Note: You should always carry 1 or 2 extra digits beyond the number of significant figures until your final calculation. Your Answer: 1625 You Scored 3 points out of 3 Possible Your Answer: 1314 No Points Possible Your Answer: 1335 No Points Possible 14) Scoring Scheme: 3-3-2-1 Part I. For each trial, calculate the heat capacity of your calorimeter. Report your answer in the correct number of significant figures. This may only be 2 or 3 significant figures. Your Answer: 95 You Scored 3 points out of 3 Possible Your Answer: 65.7 No Points Possible Your Answer: 70.3 No Points Possible
15) Scoring Scheme: 3-3-2-1 Part I. Calculate the average heat capacity for the calorimeter. Report your answer to the correct number of significant figures. Average = Your Answer: 77
You Scored 3 points out of 3 Possible
16) Scoring Scheme: 3-3-2-1 Part I. Calculate a standard deviation for your data of the heat capacity. Standard deviation = Your Answer: 16
You Scored 3 points out of 3 Possible
17) Scoring Scheme: 3-3-2-1 Part I. Calculate a 90% confidence limit for this data. 90% confidence limit = Your Answer: 26.97 You Scored 3 points out of 3 Possible 19) Scoring Scheme: 3-2-1-1 Part II. Why do you want the water to drip off the metal before it is placed in the calorimeter? Your Answer: a. The mass and the initial temperature of the calorimeter water will be incorrect and affect the calculation of the specific heat capacity of the metal. You Scored 2 points out of 3 Possible 20) Data Entry - No Scoring Part II. For each trial, enter the precise mass in GRAMS of the metal. Your mass precision should be reported to a thousandth of a gram, i.e. 122.956 g. (Use 5-6 significant figures.) Your Answer: 183.597 No Points Possible Your Answer: 183.597 No Points Possible Your Answer: 183.597 No Points Possible 21) Data Entry - No Scoring Part II. For each trial, enter the temperature of the boiling water. This will be the initial temperature of the metal, Timetal. Your temperature precision should be reported to two-tenths of a degree Celsius, i.e. 99.8oC. Your Answer: 101.2 No Points Possible Your Answer: 99.8 No Points Possible Your Answer: 100 No Points Possible 22) Data Entry - No Scoring
Part II. For each trial, enter the precise mass in GRAMS of the "cool" water in the calorimeter. Your mass precision should be reported to a thousandth of a gram, i.e. 70.546 g. (Use 5 significant figures.) Your Answer: 70.1 No Points Possible Your Answer: 70.1 No Points Possible Your Answer: 70.1 No Points Possible 23) Data Entry - No Scoring Part II. For each trial, enter the initial temperature of the "cool" water in the calorimeter. Your temperature precision should be reported to two-tenths of a degree Celsius, i.e. 17.6oC. Your Answer: 23 No Points Possible Your Answer: 23 No Points Possible Your Answer: 23 No Points Possible 24) Data Entry - No Scoring Part II. For each trial, enter the final temperature of the calorimeter water after placing the metal in the calorimeter, Tf. This should be the highest temperature reached after adding the metal to the calorimeter. Your temperature precision should be reported to two-tenths of a degree Celsius, i.e. 34.0oC. Your Answer: 37 No Points Possible Your Answer: 37 No Points Possible Your Answer: 37 No Points Possible 25) Scoring Scheme: 3-3-2-1 Part II. For each trial, enter the amount of heat lost by the metal, qmetal. Hint: The specific heat of water is 4.184 J/goC. Be careful of your algebraic sign here and remember that the change in temperature is equal to the final temperature minus the initial temperature. Your answer should be reported to 4 digits. Note: You should always carry 1 or 2 extra digits beyond the number of significant figures until your final calculation. Your Answer: -5184 You Scored 3 points out of 3 Possible Your Answer: -5184 No Points Possible Your Answer: -5184 No Points Possible 26) Scoring Scheme: 3-3-2-1 Part II. For each trial, calculate the specific heat of your metal, Csp. Report your answer to 3 digits. Your Answer: 0.44 You Scored 3 points out of 3 Possible Your Answer: 0.45 No Points Possible Your Answer: 0.448 No Points Possible 27) Scoring Scheme: 3-3-2-1 Part II. Calculate the average specific heat for your metal. You should report your average to the correct number of significant figures. This may be only 2 or 3 significant figures.
Average = Your Answer: 0.446 You Scored 3 points out of 3 Possible 28) Scoring Scheme: 3-3-2-1 Part II. Calculate a standard deviation for your data of the specific heat of your metal. Standard deviation = Your Answer: 0.0053 You Scored 3 points out of 3 Possible 29) Data Entry - No Scoring Part II. Using the physical properties of your metal, i.e. density & color, identify your metal. Indicate which metal you have by choosing one of the following metals. Your Answer: c. Cu You Scored 0 points out of 0 Possible 30) Scoring Scheme: 3-3-2-1 Part II. Calculate the percent error of your average specific heat as compared to the accepted values listed. Report your answer to the correct number of significant figures. This may be 2 or 3 significant figures. Csp(Pb) = 0.128 J/goC; Csp(Al) = 0.900 J/goC; Csp(Cu) = 0.387 J/goC % Error = Your Answer: 15.3
You Scored 3 points out of 3 Possible
32) Scoring Scheme: 3-2-1-1 Which of the following chemical equations best describes the dissolution of ammonium nitrate in water? Your Answer: b. NH4NO3(s) ==> NH4+(aq) + NO3-(aq); You Scored 2 points out of 3 Possible 33) Data Entry - No Scoring Part III. For each trial, enter the number of GRAMS of ammonium nitrate dissolved in the calorimeter. Your mass precision should be reported to a thousandth of a gram, i.e. 5.546 g. (Use 4 significant figures.) Your Answer: 5 No Points Possible Your Answer: 4.972 No Points Possible Your Answer: 4.968 No Points Possible 34) Scoring Scheme: 3-3-2-1 Part III. For each trial, calculate the number moles of ammonium nitrate used in the reaction. Report your answer to 4 signficant figures, i.e. 0.08765 moles. Your Answer: 0.0625 You Scored 3 points out of 3 Possible Your Answer: 0.06215 No Points Possible
Your Answer: 0.0621 No Points Possible 35) Data Entry - No Scoring Part III. For each trial, enter the initial temperature of the water in the calorimeter, Tiwater. Your temperature precision should be reported to two-tenths of a degree Celsius, i.e. 17.5oC. Your Answer: 23 No Points Possible Your Answer: 23 No Points Possible Your Answer: 23 No Points Possible 36) Data Entry - No Scoring Part III. For each trial, enter the final temperature of the calorimeter water after placing the ammonium nitrate in the calorimeter, Tf. This should be the lowest temperature reached after adding the ammonium nitrate to the calorimeter. Your temperature precision should be reported to two-tenths of a degree Celsius, i.e. 9.6oC. Your Answer: 10.2 No Points Possible Your Answer: 12.5 No Points Possible Your Answer: 13.1 No Points Possible 37) Data Entry - No Scoring Part III. For each trial, enter the precise mass in GRAMS of the water in the calorimeter. Your mass precision should be reported to a thousandth of a gram, i.e. 25.546 g. (Use 5 significant figures.) Your 24.83 Answer: No Points Possible Your Answer: 25.15 No Points Possible Your Answer: 26.11 No Points Possible 38) Scoring Scheme: 3-3-2-1 Part III. For each trial, enter the amount of heat gained by the chemical system of ammonium nitrate, qrxn. The specific heat of water is 4.184 J/goC. Report your answer using 4 digits. Your Answer: 2315 You Scored 3 points out of 3 Possible Your Answer: 1913 No Points Possible Your Answer: 1844 No Points Possible 39) Scoring Scheme: 3-3-2-1 Part III. The heat transfer in the calorimeter is taking place at constant pressure. Therefore, we can equate the heat gained by the chemical system of ammonium nitrate, qrxn, to its enthalpy of the dissolution reaction, ?Hrxn. For each trial, calculate the enthalpy of the reaction per mole of ammonium nitrate in units of Joules per mole. Your answer should be reported in the correct number of significant figures. This may be only 2 or 3 significant figures. Your Answer: 37040 You Scored 3 points out of 3 Possible Your Answer: 30780 No Points Possible Your Answer: 29694 No Points Possible
40) Scoring Scheme: 3-3-2-1 Part III. Calculate the average enthalpy of reaction for the dissolution of ammonium nitrate in J/mol. Your answer should be reported to the correct number of significant figures. Average = Your Answer: 32505 You Scored 3 points out of 3 Possible 41) Scoring Scheme: 3-3-2-1 Part III. Calculate the standard deviation of your measured values of the enthalpy of reaction for the dissolution of ammonium nitrate. Std dev = Your Answer: 3965
You Scored 3 points out of 3 Possible
42) Scoring Scheme: 3-3-2-1 Part III. Is the dissolution reaction of ammonium nitrate enthalpy favored? Your Answer: c. No, it is not enthalpy favored since the chemical system gains energy. You Scored 3 points out of 3 Possible 44) Scoring Scheme: 3-2-1-1 Which of the following chemical equations best describes the neutralization reaction of hydrochloric acid and sodium hydroxide? Your Answer: a. HCl(aq) + NaOH(aq) ==> H2O(l) + NaCl(aq); You Scored 3 points out of 3 Possible 45) Data Entry - No Scoring Part IV. For each trial, enter the precise volume in mL of 6.0 M HCl used to measure the enthalpy change in the neutralization reaction. Your Answer: 15 No Points Possible Your Answer: 15 No Points Possible Your Answer: 15 No Points Possible 46) Scoring Scheme: 3-3-2-1 Part IV. For each trial, calculate the number moles of 6.0 M HCl used in the reaction. Report your answer using 4 digits. Note that it is 1 or 2 digits beyond the number of significant figures, i.e. 0.2345 moles. Your Answer: 0.09 You Scored 3 points out of 3 Possible Your Answer: 0.09 No Points Possible Your Answer: 0.09 No Points Possible 47) Data Entry - No Scoring Part IV. For each trial, enter the initial temperature of the HCl solution. Your temperature precision should be reported to two-tenths of a degree Celsius, i.e. 17.4oC. Your Answer: 22 No Points Possible
Your Answer: 22 Your Answer: 22
No Points Possible No Points Possible
48) Data Entry - No Scoring Part IV. For each trial, enter the final temperature of the calorimeter water, Tf. This should be the highest temperature reached after mixing the HCl and NaOH in the calorimeter. Your temperature precision should be reported to two-tenths of a degree Celsius, i.e. 30.0oC. Your Answer: 65.5 No Points Possible Your Answer: 65.5 No Points Possible Your Answer: 65.5 No Points Possible 49) Data Entry - No Scoring Part IV. For each trial, enter the precise volume in mL of 6.0 M NaOH used to measure the enthalpy change in the neutralization reaction. Your measurement should be reported to the closest five-tenths of a mL. (e.g. 15.5 mL). Your Answer: 15 No Points Possible Your Answer: 15 No Points Possible Your Answer: 15 No Points Possible 50) Scoring Scheme: 3-3-2-1 Part IV. In order to calculate the heat gained by the water in the calorimeter, the mass of the water must be determined. It will be calculated from the volumes of HCl and NaOH and the density of water, 1.00 g/mL. You should approximate that the density of the NaOH and HCl mixture is equal to the density of water. For each trial, calculate the mass of water in the calorimeter. Report your values to 3 significant figures. Your Answer: 30 You Scored 3 points out of 3 Possible Your Answer: 30 No Points Possible Your Answer: 30 No Points Possible 51) Scoring Scheme: 3-3-2-1 Part IV. For each trial, enter the amount of heat lost by the chemical system, qrxn. Hints: The specific heat of water is 4.184 J/goC. Be careful of your algebraic sign here and remember that the change in temperature is equal to the final temperature minus the initial temperature. Report your answer using 4 digits. Note, this is 1 or 2 digits beyond the correct number of significant figures. Your Answer: -8810 You Scored 3 points out of 3 Possible Your Answer: -8810 No Points Possible Your Answer: -8810 No Points Possible 52) Scoring Scheme: 3-3-2-1 Part IV. The heat transfer in the calorimeter is taking place at constant pressure. Therefore, we can equate the heat lost by the chemical system, qrxn, to its enthalpy of reaction, ?Hrxn.
For each trial, calculate the enthalpy of the neutralization reaction per mole of hydrochloric acid in units of Joules per mole. Do not forget about your algebraic sign here. Your answer should be reported in the correct number of significant figures. This should be 3 digits. Your Answer: -97889 You Scored 3 points out of 3 Possible Your Answer: -97889 No Points Possible Your Answer: -97889 No Points Possible 53) Scoring Scheme: 3-3-2-1 Part IV. Calculate the average enthalpy of reaction for the neutralization reaction in J/mol. Your answer should be reported in the correct number of significant figures. This may be 2 or 3 significant figures. Average = Your Answer: -97889
You Scored 3 points out of 3 Possible
54) Scoring Scheme: 3-3-2-1 Part IV. Calculate the standard deviation of your measured values of the enthalpy for the neutralization reaction. Std dev = Your Answer: 0
You Scored 3 points out of 3 Possible
55) Scoring Scheme: 3-3-2-1 Part IV. Is the neutralization reaction enthalpy favored? Your Answer: b. Yes, it is enthalpy favored since the chemical system loses energy. You Scored 3 points out of 3 Possible 57) Data Entry - No Scoring Part V. For each trial, enter the precise mass in GRAMS of the water in the calorimeter before adding the ice. Your mass precision should be reported to a thousandth of a gram, i.e. 70.546 g. (Use 5 significant figures.) Your Answer: 25 No Points Possible Your Answer: 25 No Points Possible Your Answer: 25 No Points Possible 58) Data Entry - No Scoring Part V. For each trial, enter the initial temperature of the water in the calorimeter before adding the ice. Your temperature precision should be reported to two-tenths of a degree Celsius, i.e. 17.6oC. Your Answer: 23 No Points Possible Your Answer: 23 No Points Possible Your Answer: 23 No Points Possible
59) Data Entry - No Scoring Part V. For each trial, enter the final temperature of the calorimeter water after placing the ice in the calorimeter, Tf. This should be the lowest temperature reached after adding the ice to the calorimeter. Your temperature precision should be reported to two-tenths of a degree Celsius, i.e. 1.0oC. Your Answer: 2.8 No Points Possible Your Answer: 5 No Points Possible Your Answer: 4 No Points Possible 60) Scoring Scheme: 3-3-2-1 Part V. For each trial, enter the amount of heat lost by the calorimeter water, qwater. Hint: The specific heat of water is 4.184 J/goC. Be careful of the algebraic sign here and remember that the change in temperature is equal to the final temperature minus the initial temperature. Report your answer using 4 digits. Note, this is 1 or 2 digits beyond the correct number of significant figures. Your Answer: -2113 You Scored 3 points out of 3 Possible Your Answer: -1883 No Points Possible Your Answer: -1987 No Points Possible 61) Scoring Scheme: 3-3-2-1 Part V. For each trial, enter the amount of heat lost by the calorimeter, qcalorimeter. Be careful of the algebraic sign here and remember that the change in temperature is equal to the final temperature minus the initial temperature. Report your answer using 4 digits. Note, this is 1 or 2 digits beyond the correct number of significant figures. Your Answer: -1555 You Scored 3 points out of 3 Possible Your Answer: -1386 No Points Possible Your Answer: -1463 No Points Possible 62) Data Entry - No Scoring Part V. For each trial, enter the precise final mass in GRAMS of the water in the calorimeter AFTER the ice has melted. Your mass precision should be reported to a thousandth of a gram, i.e. 75.546 g. (Use 5 significant figures.) Your Answer: 35 No Points Possible Your Answer: 35 No Points Possible Your Answer: 35 No Points Possible 63) Data Entry - No Scoring Part V. Enter your measured temperature of an ice-water bath. This is the initial temperature of the melted ice and is needed to calculate the temperature change of the melted ice. If you did not measure the temperature of an ice-water bath with your thermometer simply assume that it is 0.0oC. Measuring this temperature with your
thermometer would eliminate any systematic errors introduced by your thermometer since the temperature change is measured by difference. Your temperature values should be reported to two-tenths of a degree, i.e. 0.2oC. Tiice-water = Your Answer: 0
No Points Possible
64) Scoring Scheme: 3-3-2-1 Part V. The heat gained by the ice melted the ice and raised the temperature of the melted ice from its initial temperature to the final temperature of the water in the calorimeter. Use this information to calculate the heat of fusion per gram of ice for each trial. Enter your values using the correct number of significant figures. This may be 2 or 3 digits. Your Answer: 355 You Scored 2 points out of 3 Possible Your Answer: 306 No Points Possible Your Answer: 328 No Points Possible 65) Scoring Scheme: 3-3-2-1 Part V. Calculate the average Heat of Fusion of ice in J/g. Your answer should be reported in the correct number of significant figures. This should be 3 digits. Average = Your Answer: 330
You Scored 3 points out of 3 Possible
66) Scoring Scheme: 3-3-2-1 Part V. Calculate the standard deviation of your measured values of the Heat of Fusion of ice. Std dev = Your Answer: 25
You Scored 3 points out of 3 Possible
67) Scoring Scheme: Analysis Part V. Calculate your percent error. The accepted value for the Heat of Fusion of ice, according to the textbook, Petrucci et. al., 8th edition, is 330 J/g. Note that this value is reported here only to 2 significant figures. % error = Your Answer: 0
You Scored 5 points out of 5 Possible
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Problem Set #7 KEY BICD 100 W' 061). A horse breeder wants to develop a breed of small horses for children to ride. From a heterogenous population of 100 horses with a mean height of 60 inches, a subpopulation of horses with a mean height of 45 inch
UCSD - BICD - 100
1Problem Set #8 KEY - BICD 100 W' 061.) Many plants produce flowers consisting of four organ types arranged in concentric "whorls". In wild-type Arabidopsis thaliana, whorl 1 organs are sepals (green leaf-like organs that protect the flower before
UCSD - BICD - 140
Name _ Student ID # _ BICD 140 Spring 2006 Midterm Exam #2 Please write your name on each page and look through your exam. It should have 9 pages. Do not use pencil or white out on your exam. Be certain that all of the work that you want graded is wr
UCSD - BICD - 140
Name _ Question 1: For each of the following, identify the one cell type that best fits the description? (14 pts) i. Can phagocytose bacteria, but does not present antigens from those bacteria to T cells. NEUTROPHIL Capable of rapidly clearing virall
UCSD - BICD - 140
Name _ Student ID # _ BICD 140 Spring 2006 Midterm Exam #2 Please write your name on each page and look through your exam. It should have 9 pages. Do not use pencil or white out on your exam. Be certain that all of the work that you want graded is wr
UCSD - BICD - 110
These are some final exam questions from Spring 2006. The Fall 2006 Final will not be all multiple choice.1. Components of G-protein signaling pathways might include all of the following except: A. Second messenger B. Protein that binds and hydroly
UCSD - BICD - 110
BICD 110: Spring 2006 Final Multiple Choice Questions 1. Components of G-protein signaling pathways might include all of the following except: A. Second messenger B. Protein that binds and hydrolyzes GTP C. Ion channel D. Enzyme E. Hydrophobic signal
UCSD - BICD - 110
I. For each of the following molecules, indicate WHERE they could be found in the cell. a) LDL receptor b) Signal Recognition Particle Receptor c) Ran-GTP d) Sar1-GTP e) Clathrin f) GPI anchored protein g) Na/glucose symporter h) Adaptins i) COPII k)
UCSD - BIMM - 100
BIMM100 FALL 2006 ASSIGNMENT 1 BIMM100 FA06 Assignment 1 Short answer questions 1. Identify each of the following bases of this single-stranded nucleic acid molecule and state if they are purines or pyrimidines. Identify the 5' and 3' ends. Circle al
UCSD - BIMM - 100
BIMM 100 FALL 2006 Assignment 3 1. (a) Figure 1a shows the growth curve for E. coli bacteria grown in a glucose-containing broth (culture A). Figure 1b shows the growth curve for E. coli grown in a broth that contains equal parts of glucose and lacto
UCSD - BIMM - 100
BIMM 100 FALL 2006 Assignment 4 1. Name the two techniques that we learned in class used for detecting if a protein or extract containing the protein has DNA binding activity. List the steps of each technique, including necessary controls, and briefl
UCSD - BIMM - 100
BIMM 100 FALL 2006 Assignment 2 1. A) What is the difference between conservative and semi-conservative DNA replication?B) Explain the experiment covered in class that led to the conclusion that DNA replication is semi-conservative.2. A) Why is D
UCSD - BIMM - 100
BIMM 100 FALL 2006 Assignment 5 1. Name the three different types of RNA that are required for the process of translation and describe their functions. Name the RNA polymerase responsible for synthesizing each type of RNA. mRNA: encodes the genetic i
UCSD - BIMM - 100
BIMM 100 FALL 2006 Assignment 5 1. Name the three different types of RNA that are required for the process of translation and describe their functions. Name the RNA polymerase responsible for synthesizing each type of RNA.2. Consider the modificati
UCSD - BIMM - 100
BIMM 100 FALL 2006: Assignment 6 Preface: You are an ambitious undergraduate who started a research project in Dr. Cerevisiae's lab in the regulatory biology department at The Institute of Biology. 1. Save parts a-c of this question until after lectu
UCSD - BIMM - 100
BIMM 100, FA06 Assignment 7: Molecular genetic techniques & Genomics 1. You have just begun a job at Dr. Cerevisiae's new biotech startup company where your first task is to sequence a mutant gene. You decide to use the Sanger method which makes use
UCSD - BIMM - 100
BIMM 100, FA06 Assignment 7: Molecular genetic techniques & Genomics 1. You have just begun a job at Dr. Cerevisiae's new biotech startup company where your first task is to sequence a mutant gene. You decide to use the Sanger method which makes use
UCSD - BIMM - 100
Homework Assignment #8 1. Viruses cannot reproduce by themselves and must use a host cell's machinery to replicate. What general host cell machinery is required by all viruses? a. List and describe the 5 general stages of viral replication and prolif
UCSD - CHEM - 140A
CHEMISTRY 140A (Perrin) Fall 2005 Midterm Exam #2 Key to Answers, with source in Vollhardt & Schore (in parentheses if extensively adapted), and to Grading General: -5 for nonoctet atom (including CH3CH2 with connection via CH3), -2 for each C with o
UCSD - CHEM - 140A
Chemistry 140A (C. L. Perrin) Final Exam December 10, 2004 Name (printed): _ Signature (written): _ ID#: _ (Place your picture ID in plain view, next to your exam.) Major: _ Sector: Left Center Right1-2 3-4 5-6 7-8 9-11 12-13 14-15 16-17 18Row _
UCSD - CHEM - 140A
Chemistry 140A (C. L. Perrin) Midterm Exam #1, October 18, 2004 Name (printed): _ Signature (written): _ ID#: _ Row _ (Last = LL in front section or M in rear) OR1-2 3-4 5-6 7 8 9Section day & hour _ (to retrieve your exam) TA: Betsy Lani Oscar R
UCSD - CHEM - 140A
Chemistry 140A (C. L. Perrin)Midterm Exam #2, November 15, 20041-2 3 4-5 6-7 8-9Name (printed): _ Signature (written): _ ID#: _ TA: Betsy Lani Row __ (Last = LL in front section or M in rear) Oscar Randy RenaOR Section day & hour _ (to retrie
UCSD - CHEM - 140B
Name:_KEY_ ID# _ CHEM 140B Winter 2006 - First Midterm Exam Problem I. Draw the molecules or short answers. [40 Points] B 8 pts A 8 pts CBr O OH Clcis-5-ethyl-3-methylcyclohept-1-ene methylenecyclohexane(E)-2-bromo-3-chloro-4-methoxy-2-butenol01